Evidence row 751109

Observed 28 Oct 2026, 09:11 UTC, by sync.x402_bazaar/1.

Kind: listing
About: source_record x402_bazaar:https://scraplingdata.xyz/v1/datasets/live_stablecoin_supply/buy
Recorded: 28 Oct 2026, 09:11 UTC
Previous row: None: the first of its kind about this subject
Body SHA-256: d95c69eacf33ee408255564b6cf3e2dd8fa6caf62befe6b486449707d991c004
Leaf: 0x6a70d1c4caeb41950c3aa8a15504d90fceec0e7b41708d0a65ae18030938d8e9

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://scraplingdata.xyz/v1/datasets/live_stablecoin_supply/buy"
    ]
  ],
  "name": "Scrapling x402 Data Store",
  "owner_address": "0x72c80c01fd89bac74f47cf604b61acd119c9bcdb",
  "raw": {
    "accepts": [
      {
        "amount": "50000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x72C80C01fD89Bac74f47cf604b61ACd119c9BCdb",
        "scheme": "exact"
      },
      {
        "amount": "50000",
        "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:137",
        "payTo": "0x72C80C01fD89Bac74f47cf604b61ACd119c9BCdb",
        "scheme": "exact"
      },
      {
        "amount": "50000",
        "asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:42161",
        "payTo": "0x72C80C01fD89Bac74f47cf604b61ACd119c9BCdb",
        "scheme": "exact"
      },
      {
        "amount": "50000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "BFK9TLC3edb13K6v4YyH3DwPb5DSUpkWvb7XnqCL9b4F"
        },
        "maxTimeoutSeconds": 300,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "4ZUtqtQSrL522bcXTag1eR59cwfQhQGW16nYuzyYgRWX",
        "scheme": "exact"
      }
    ],
    "description": "Purchase full dataset 'Live Stablecoin Supply & Peg Tracker' (15 records)",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "format": "json"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "dataset_id": "live_stablecoin_supply",
              "format": "json",
              "record_count": 15,
              "records": [
                {
                  "chains": "Tron, Ethereum, Solana, Arbitrum, Polygon",
                  "circulating": 187921517499,
                  "circulating_by_chain": {
                    "Arbitrum": 807481402,
                    "Ethereum": 88301265726,
                    "Polygon": 727391565,
                    "Solana": 3839903181,
                    "Tron": 94245475626
                  },
                  "circulating_prev_day": 187951698600.40628,
                  "circulating_prev_month": null,
                  "circulating_prev_week": null,
                  "name": "Tether",
                  "peg_mechanism": "fiat-backed",
                  "peg_type": "peggedUSD",
                  "price_usd": 1,
                  "rank": 1,
                  "source": "onchain totalSupply",
                  "symbol": "USDT"
                }
              ]
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "headers": {
                  "additionalProperties": {
                    "type": "string"
                  },
                  "type": "object"
                },
                "method": {
                  "enum": [
                    "GET",
                    "HEAD",
                    "DELETE"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "format": {
                      "enum": [
                        "json",
                        "jsonl",
                        "csv",
                        "markdown"
                      ],
                      "type": "string"
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-28T00:28:05.977Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-28T00:28:05.577Z"
    },
    "resource": "https://scraplingdata.xyz/v1/datasets/live_stablecoin_supply/buy",
    "serviceName": "Scrapling x402 Data Store",
    "tags": [
      "web-scraping",
      "crypto",
      "defi",
      "ecommerce",
      "datasets"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Purchase full dataset 'Live Stablecoin Supply & Peg Tracker' (15 records)"
}

What the leaf hashes

{"body":"d95c69eacf33ee408255564b6cf3e2dd8fa6caf62befe6b486449707d991c004","id":751109,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793178704213012,"prev":null,"subject":"x402_bazaar:https://scraplingdata.xyz/v1/datasets/live_stablecoin_supply/buy","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-28 (231336 rows).
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Day root: 0x2c19037464cc4c493624565f01775d6446fc78eaa118fc6865bfe2bfca9ff78e
Chained: 0xd1d7dee8322ceff8f4c8d83aa1fe4a4466825c2af1c97dbde3d35db61234f7be
Published: On Arc Testnet, block 69584042: 0x8bae2b1d097834c8b458513862d70d29ee807e98dc2e863b27250131c15b35ae

How to check it · This row as JSON